president of the united states. thank you very much. ♪ >> please welcome the mayor of minneapolis, minn.. >> hello, minnesota. [applause] >> it is cold, we have to cheer about something, right? it was a cold, december morning four and a half years ago we told -- we pulled our rental of college students into iowa. we went door to door, for a guy named barack obama. almost nobody in town had ever heard of him. they asked some pretty tough questions. would he stand up for the middle-class? for people like them, not just for those at the very top. they asked us, would he get us out of this mess at -- in iraq? and did he have the guts to take on the insurance companies and reform health care? conversations like this were taking place all over iowa. iowans know the real bill when you see it. they took the measure of this man. they looked him in the eye and you sent him on to be president of the united states. thank you, iowa, for that. a lot has happened since then, and we still have a long, long way to go, but today we